Renault R23

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Renault R23
Renault R23B

Fernando Alonso with the R23B at the 2003 British Grand Prix
Category	Formula One
Constructor	Renault
Designer(s)	Pat Symonds (Executive Engineer) Mike Gascoyne (Technical Director) Bob Bell (Deputy Technical Director) Tim Densham (Chief Designer) Mark Smith (Project Leader) Tad Czapski (Head of R&D) John Iley (Head of Aerodynamics) Bernard Dudot (Engine Technical Director)
Predecessor	R202
Successor	R24
Technical specifications
Chassis	Moulded carbon fibre and aluminium honeycomb composite monocoque
Suspension (front)	Carbon fibre top and bottom wishbones operate an inboard titanium rocker via a pushrod system
Suspension (rear)	Titanium top and carbon fibre bottom wishbones operating vertically mounted torsion bars and horizontally-mounted damper units mounted on the top of the gearbox casing
Length	4,600 mm (181 in)
Width	1,800 mm (71 in)
Height	950 mm (37 in)
Axle track	1,450 mm (57 in) on front; 1,400 mm (55 in) on rear
Wheelbase	3,100 mm (122 in)
Engine	Renault RS23 3.0 L (183 cu in) V10 111° naturally-aspirated, mid engined, longitudinally-mounted
Transmission	Titanium longitudinal, semi-automatic sequential paddle shift, 6-speed + 1 reverse
Power	830–850 hp (619–634 kW) @ 17,800 rpm[1][2]
Weight	600 kg (1,323 lb) including driver and fuel
Fuel	Elf
Tyres	Michelin
Competition history
Notable entrants	Mild Seven Renault F1 Team
Notable drivers	7. Jarno Trulli 8. Fernando Alonso
Debut	2003 Australian Grand Prix
First win	2003 Hungarian Grand Prix
Last win	2003 Hungarian Grand Prix
Last event	2003 Japanese Grand Prix
Races Wins Podiums Poles F/Laps 16 1 5 2 1
Constructors' Championships	0
Drivers' Championships	0

The Renault R23 was the car with which the Renault team competed in the 2003 Formula One World Championship. It was driven by Italian Jarno Trulli, who was in his second season with the team, and Spaniard Fernando Alonso, who replaced Jenson Button after the Briton left for British American Racing.